Casio QV-770 Service Manual Download | Manualshive

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SCHEMATIC DIAGRAMS

DA-CIR-K0773AAA

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Summary of Contents for QV-770

Page 1: ...R QV 770 APR 1998 without price KX 773...

Page 2: ...2 Key check 13 Last memory set 13 2 Adjustment of PCB DA 14 Adjustment of VCC7 VCC3 voltage check of VCC1 15 Operation Check 15 3 Adjustment of PCB L 16 VCC3 VCC5 voltage check LA PCB 17 VCC2 adjustme...

Page 3: ...ORMAL ECONOMY Monitor Viewfinder 1 8 TFT low glare color LCD 122 100 pixels Computer output image 640 480 pixels Input Output Terminals DIGITAL OUT VIDEO OUT AC adaptor connector Clock January 1 1997...

Page 4: ...3V LCD module VSH VGH VGL VDD VSS 5 0V 13 5V 15 0V 3 0V GND BL LED CA PCB KA PCB KB PCB DA PCB LA PCB BLA PCB BLB PCB LB PCB COD18T1016 Strobe Ass y Auto Iris Lens KEY0 KEY1 PON VCC0 VCC2 VR VG VB CS...

Page 5: ...re PC s monitor indicates that loading parameter is complete Note When done continue the program in the following order 1 DEFECT CORRECT 2 STROBE ADJUST OK Loading Parameter to Flash Memoty OK Verifyi...

Page 6: ...ecause strobe adjustment informations are deleted Loading color parameter and Defect correct should be done before Distance between strobe lens and gray paper should be one meter The adjustment must b...

Page 7: ...e and check the display 3 Automatically recharged after shooting picture Make sure that the DC in 6 0 V current does not exceed 1 2 A 4 Set QV 770 to PLAY mode and check the display Should not be whit...

Page 8: ...ger skipping occurs 1 When trigger skipping occurs on the first positive pulse 2 When trigger skipping occurs on the first negative pulse ACQUIRE NORMAL 1 ENVELOPE 2 AVS REPET ON OFF SAVE ON ON OFF CH...

Page 9: ...onsumption in PLAY mode 371 mA 2 Reducing the input voltage from 6V make sure that the battery warning changes at 5 0V 0 1 V input 1 7 IrDA Test 1 Make sure no sunlight comes in 2 Make sure there are...

Page 10: ...ogram including QV 770 Built in ROM 1 Turn power on while pressing DISP and SHUTTER buttons 2 WELCOME appears on the display followed by TEST MODE display 3 Press MENU button and Tran P button simulta...

Page 11: ...CD and TV monitor Displays brightness 50 gray color on LCD and TV monitor Displays brightness 50 gray color on LCD and TV monitor When checking with an os cilloscope terminate it with 75 ohm resistanc...

Page 12: ...RTESTMASTER display Provides black signal to LCD and TV monitor Black level of VIDEO standard Disables Auto Power Off function This function can be utilized in REC or PLAY modes Used for IrDA test tog...

Page 13: ...mode the unit becomes receive standby status When the unit receives a data it discriminates if the data is ENQ signal OK counter counts up when the unit receives 10 ENQ sig nals and NG counter counts...

Page 14: ...r to 1 3 Strobe adjust Refer to 1 2 Defect correct TEST MODE 98030401 ADJ01 60 PTPXX XX STROBE ADJUST DEFECT CORRECT BATTERY CHECK KEY CHECK LAST MEMORY SET ROM version ADJ version patch soft version...

Page 15: ...hown above Note Even when you follow the command the picture remains in memory LAST MEMORY COMPLETE DISP MODE ON LAST PAGE 1PAGE AUTOPLAY TIME 3SEC VGA TYPE NORMAL STORBE MODE AUTO REC CONTINIOUS CONT...

Page 16: ...14 2 Adjustment of PCB DA Adjustment points of PCB K773 DA...

Page 17: ...ly above mentioned voltages 1 Set QV 770 to PLAY mode Computer communication does not work in REC mode 2 Connect QV 770 and PC with link cable 3 Operate adjustment software on MS DOS T773E EXE 4 Make...

Page 18: ...16 3 Adjustment of PCB L PCB LA PCB LB Adjustment points of PCB K773 LA Adjustment points of PCB K773 LB...

Page 19: ...12 0 14 0 V VEE2 12 3 16 7 V In addition disconnect the power and make sure all output voltages are 0 V VCO free run frequency adjustment Voltage supply VCC2 5 V 0 05 V CP181 VCC8 13 5 0 05 V CP180 V...

Page 20: ...adjustment and VCOM DC coarse adjustment PCB LB Voltage supply VCC2 5 V 0 05 V CP181 VCC8 13 5 0 05 V CP180 VEE2 15 0 0 05 V CP182 You can use an AC adaptor however for the checking after repairs appl...

Page 21: ...Keep waveform C at 2 9 0 05V by adjusting contrast VR VR303 Note Make sure that waveforms are not distorted Color adjustment PCB LA Signal contents Input oscillation level 0 5 Vp p to VIDEO terminal C...

Page 22: ...ecting PCB LB You can use an AC adaptor however for the checking after repairs apply above mentioned voltages 1 Adjust VR301 so that the second and third pulses of VB CP324 signal level will be the sa...

Page 23: ...VIEW 1 Unscrew two screws S1 on the bottom of the camera 2 Rotate the camera unit and unscrew two screws S1 Open console cover 2 then unscrew two screws S1 3 Separate upper case 14 and lower case 25...

Page 24: ...and remove two connectors from PCB L ass y 5 Disassembly of upper case Remove flexible cable from PCB L ass y then remove SUB773 LB2 ass y Unscrew four screws S2 fixing PCB L ass y then remove it flex...

Page 25: ...ling make sure to put each sheet in order Remove two screws S2 fixing PCB K773 KB ass y 20 then remove PCB K773 KB ass y 20 Remove LCD 6 When assembling make sure reverse side of the LCD is free from...

Page 26: ...ly of Main case Unscrew two screws S4 fixing camera unit then remove camera unit Remove PCB K773A KA 43 Unscrew two screws S4 fixing PCB K773 DA ass y 24 then remove PCB K773 DA ass y 24 two screws S4...

Page 27: ...screw S1 then disassemble as shown When assembling convex part of CCD should be placed with concave part of F knob Unscrew one screw S3 and disconnect two flexible cables them remove CCD unit one scr...

Page 28: ...26 EXPLODED VIEW 38 35 S3 S3 39 27 32 S3 38 33 38 S3 S2 37 33 34 36 S1 29 40 30 28 31...

Page 29: ...27 15 7 S2 13 44 25 S2 S2 20 18 12 17 S4 16 43 23 1 S1 S1 14 24 19 6 11 S2 S4 8 9 10 S2 5 42 S4 S2 S1 41 S2 26 S1 S1 S4 2 3 21 S2 4 22 S4 S1...

Page 30: ...P 2SD1328 T TX 1 C Q169 2259 2716 TRANSISTOR CHIP 2SC4617 TLR 1 C Q520 2259 2716 TRANSISTOR CHIP 2SC4617 TLR 1 C Q522 2259 2716 TRANSISTOR CHIP 2SC4617 TLR 1 C Q130 2251 0847 TRANSISTOR CHIP 2SB1386 T...

Page 31: ...5 TRANSISTOR CHIP DTC144EE TL 1 C DIODES D110 7101 1194 DIODE CHIP MA111 TX 1 C D111 7101 1194 DIODE CHIP MA111 TX 1 C D113 7101 1194 DIODE CHIP MA111 TX 1 C D101 2390 2450 DIODE CHIP SC016 2 TE12RA 1...

Page 32: ...ESISTOR SEMI FIXED EVM 1XSX50B24 1 C TOP KEY PCB ASS Y Item Code No Parts Name Specification Applicable Q R SWITCHES SW800 3412 2002 SWITCH SPVC2 1 T 1 C SW801 3412 1995 SWITCH SKQRAA T 1 C SW802 3412...

Page 33: ...ASSY BATTERY K341121 1 1 B 23 6612 9210 BUTTON TOP K340985 1 1 C 24 6613 0750 PCB ASSY DIGITAL K341271 1 1 B 25 6613 0041 CASE LOWER K240905 1 1 X 26 6613 0042 CASE CAMERA K240912 1 1 X 27 6612 9430...

Page 34: ...47 ACCESSORY Item Code No Parts Name Specification Applicable Q R 45 1014 9871 CASE SOFT SC 773 1 X 46 5861 3578 STRAP ST K775 1 X 47 1014 8773 CORD VIDEO VC K723 FC 1 X Notes Q Quantity used per uni...

Page 35: ...33 PRINTED CIRCUIT BOARDS D board PCB K773A DA...

Page 36: ...34 L board PCB K773A LA...

Page 37: ...35 L board PCB K773A LB CA board PCB K773A CA...

Page 38: ...36 K board PCB K773A KA PCB K773A KB...

Page 39: ...37 SCHEMATIC DIAGRAMS DA CIR K0773AAA...

Page 40: ...38 LA CIR K0773AAA...

Page 41: ...39 LB CIR ZK0773AAA...

Page 42: ...40 KX CIR ZK0773AAA...

Page 43: ...41 KA CIR K0773AAA...

Page 44: ...42 KB CIR K0773AAA...

Page 45: ...manufacturer kind of battery temperature storage period The time specified in user s manual is generalization and is not guaranteed Trouble 5 When switching from PLAY to REC LCD display turns blue and...

Page 46: ...CASIO TECHNO CO LTD Overseas Service Division 8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 0023 Japan...

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